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CH20

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CH10 CN3MN
#CH20

Description

USA ASTM CH20 Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application and CH20 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: CH20
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy CH20 ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
CD4MCu
CE8MN
CE20N
CG3M
CG6MMN
CG8M
CK3MCuN
CK20
CH8
CH10

Chemical composition(mass fraction)(wt.%) of the CH20

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.04-0.20 2 1.5 0.04 0.04 22.0-26.0 12.0-15.0 ≤0.50

Mechanical Properties of steel grade CH20

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
932 (≥) 639 (≥) 41 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade CH20

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
31 - -     0.12 -  
127 722 - 21.3 341   -  
543 - 21 31.2   214 413

Heat Treatment of steel grade CH20

Heat treated : 1946°C - 1823°C

Technological Curves of steel grade CH20

Cross Reference Table (Equivalent Grade) of CH20

Grade Standard Country Application
ASTM CH20 AISI USA
SWRCH20A CNS China China Taiwan Structural steel
SWRCH20K CNS China China Taiwan Structural steel
CH20 ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
CH20 ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
CH10 CN3MN
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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